Date: Wed, 22 Mar 2017 09:49:31 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 217994] Kernel panic in native_lapic_setup with 12-CURRENT on EC2 machine Message-ID: <bug-217994-8-kRCZpVAW87@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-217994-8@https.bugs.freebsd.org/bugzilla/> References: <bug-217994-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217994 --- Comment #11 from Sylvain Garrigues <sylvain@sylvaingarrigues.com> --- (kgdb) disassemble native_lapic_setup Dump of assembler code for function native_lapic_setup: 0xffffffff8107fd30 <native_lapic_setup+0>: push %rbp 0xffffffff8107fd31 <native_lapic_setup+1>: mov %rsp,%rbp 0xffffffff8107fd34 <native_lapic_setup+4>: push %r15 0xffffffff8107fd36 <native_lapic_setup+6>: push %r14 0xffffffff8107fd38 <native_lapic_setup+8>: push %r13 0xffffffff8107fd3a <native_lapic_setup+10>: push %r12 0xffffffff8107fd3c <native_lapic_setup+12>: push %rbx 0xffffffff8107fd3d <native_lapic_setup+13>: sub $0x38,%rsp 0xffffffff8107fd41 <native_lapic_setup+17>: mov %edi,%r14d 0xffffffff8107fd44 <native_lapic_setup+20>: mov 0xffffffff81d6d320,%= rax 0xffffffff8107fd4c <native_lapic_setup+28>: mov %rax,-0x30(%rbp) 0xffffffff8107fd50 <native_lapic_setup+32>: pushfq=20 0xffffffff8107fd51 <native_lapic_setup+33>: pop %rbx 0xffffffff8107fd52 <native_lapic_setup+34>: cli=20=20=20=20 0xffffffff8107fd53 <native_lapic_setup+35>: callq *0xffffffff81a216d0 0xffffffff8107fd5a <native_lapic_setup+42>: movslq %eax,%rsi 0xffffffff8107fd5d <native_lapic_setup+45>: cmpl $0x0,0xffffffff81edb= a40 0xffffffff8107fd65 <native_lapic_setup+53>: je 0xffffffff8107fdaa <native_lapic_setup+122> 0xffffffff8107fd67 <native_lapic_setup+55>: mov $0x803,%ecx 0xffffffff8107fd6c <native_lapic_setup+60>: rdmsr=20=20 0xffffffff8107fd6e <native_lapic_setup+62>: mov $0x810,%ecx 0xffffffff8107fd73 <native_lapic_setup+67>: (bad)=20=20 0xffffffff8107fd74 <native_lapic_setup+68>: (bad)=20=20 0xffffffff8107fd75 <native_lapic_setup+69>: jo 0xffffffff8107fd6e <native_lapic_setup+62> 0xffffffff8107fd77 <native_lapic_setup+71>: loopne 0xffffffff8107fcfc <native_lapic_xapic_mode+28> 0xffffffff8107fd79 <native_lapic_setup+73>: cmp $0x25,%al 0xffffffff8107fd7b <native_lapic_setup+75>: rex mov $0x740081ed,%edx 0xffffffff8107fd81 <native_lapic_setup+81>: cmp 0x808(%rcx),%edi 0xffffffff8107fd87 <native_lapic_setup+87>: rdmsr=20=20 0xffffffff8107fd89 <native_lapic_setup+89>: and $0xffffff00,%eax 0xffffffff8107fd8e <native_lapic_setup+94>: cmpl $0x0,0xffffffff81edb= a40 0xffffffff8107fd96 <native_lapic_setup+102>: je 0xffffffff810800e2 <native_lapic_setup+946> 0xffffffff8107fd9c <native_lapic_setup+108>: mfence=20 0xffffffff8107fd9f <native_lapic_setup+111>: xor %edx,%edx 0xffffffff8107fda1 <native_lapic_setup+113>: mov $0x808,%ecx 0xffffffff8107fda6 <native_lapic_setup+118>: wrmsr=20=20 0xffffffff8107fda8 <native_lapic_setup+120>: jmp 0xffffffff8107fdd6 <native_lapic_setup+166> 0xffffffff8107fdaa <native_lapic_setup+122>: mov 0xffffffff81edba38,%= rax 0xffffffff8107fdb2 <native_lapic_setup+130>: mov $0x810,%ecx 0xffffffff8107fdb7 <native_lapic_setup+135>: (bad)=20=20 0xffffffff8107fdb8 <native_lapic_setup+136>: (bad)=20=20 0xffffffff8107fdb9 <native_lapic_setup+137>: jo 0xffffffff8107fdb2 <native_lapic_setup+130> 0xffffffff8107fdbb <native_lapic_setup+139>: (bad)=20=20 0xffffffff8107fdbc <native_lapic_setup+140>: xor %cl,-0x75(%rax) 0xffffffff8107fdbf <native_lapic_setup+143>: or $0x25,%al 0xffffffff8107fdc1 <native_lapic_setup+145>: cmp %bh,0xb881ed(%rdx) 0xffffffff8107fdc7 <native_lapic_setup+151>: (bad)=20=20 0xffffffff8107fdc8 <native_lapic_setup+152>: (bad)=20=20 0xffffffff8107fdc9 <native_lapic_setup+153>: jmpq *(%rbx) 0xffffffff8107fdcb <native_lapic_setup+155>: addl=20=20 $0x8081,-0x77000000(%rax) 0xffffffff8107fdd5 <native_lapic_setup+165>: add %cl,-0x12(%rcx,%rbp,= 2) 0xffffffff8107fdd9 <native_lapic_setup+169>: push %rax 0xffffffff8107fdda <native_lapic_setup+170>: add (%rax),%eax 0xffffffff8107fddc <native_lapic_setup+172>: add %al,-0x45bfdac4(%rbx) --=20 You are receiving this mail because: You are the assignee for the bug.=
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